
-6-MBM-530NS User’s Manual
Table of Contents
0. OVERVIEW..................................................................................................9
0.1 Introduction.........................................................................................9
0.2 Packing List.....................................................................................10
0.3 Features............................................................................................11
1. SYSTEM CONTROLLER........................................................................13
1.1 Microprocessor...............................................................................13
1.2 DMA Controller ...............................................................................14
1.3 Keyboard Controller.......................................................................15
1.4 Interrupt Controller .........................................................................16
1.4.1 I/O Port Address Map......................................................17
1.4.2 Real-Time Clock and Non-Volatile RAM.......................18
1.4.3 Timer...................................................................................19
1.5 Serial Port........................................................................................20
1.6 Parallel Port.....................................................................................24
2. HARDWARE CONFIGURATION...........................................................27
2.1 Jumper & Connector Quick Reference Table ............................28
2.2 Block Diagram.................................................................................29
2.3 Component Locations....................................................................30
2.4 How to Set the Jumper..................................................................31
2.5 System Clock Select and CPU Setting.......................................32
2.6 Jumper Setting................................................................................33
J1: Power Connector .....................................................................33
J2: TTL I/O.......................................................................................34
J3: CD Audio in Connector ...........................................................40
J4: Floppy Connector.....................................................................41
J5: VGA Connector D-SUB...........................................................42
J6: IrDA Connector.........................................................................43
JP1: LCD Backlight Control..........................................................44
JP2: CMOS Clear...........................................................................45
JP3: LCD Connector......................................................................46
JP4: LCD Power VDD Select.......................................................47
JP5: External Reset Switch..........................................................48
JP6: COM2 Power Select .............................................................49
S1: COM2 RS-232, RS-422, RS-485 Selection........................50